Honda - Fourtrax 300 idle adjustment screw - We own a 1998 fourtrax 300. My son, who is 13, but thinks he is a genius, tried to adjust the idle. Join Date: Jun 2008. Default Fourtrax 300 idle adjustment screw.
The Cyclepedia Honda TRX250R Fourtrax online service manual features detailed full-color photographs and color wiring diagrams, complete specifications with step-by-step procedures performed and written by a professional Honda dealer trained technician.